Pith Number

pith:CKST3AU2

pith:2013:CKST3AU24TUUS6UJQPKS7NEZ3H

not attested not anchored not stored refs pending

Trivial Unit conjecture and Homotopy Theory

Shengkui Ye

arxiv:1312.6477 v2 · 2013-12-23 · math.AT · math.GR · math.RA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CKST3AU24TUUS6UJQPKS7NEZ3H}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T03:02:33.862955Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

12a53d829ae4e9497a8983d52fb499d9eb36523640e3fac438ff3409b6091091

Aliases

arxiv: 1312.6477 · arxiv_version: 1312.6477v2 · doi: 10.48550/arxiv.1312.6477 · pith_short_12: CKST3AU24TUU · pith_short_16: CKST3AU24TUUS6UJ · pith_short_8: CKST3AU2

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/CKST3AU24TUUS6UJQPKS7NEZ3H \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 12a53d829ae4e9497a8983d52fb499d9eb36523640e3fac438ff3409b6091091

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7d059db3586d35abada5cdf62a01ba01ef96aa4b6c4b471c1cdba57620415fe7",
    "cross_cats_sorted": [
      "math.GR",
      "math.RA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2013-12-23T08:07:19Z",
    "title_canon_sha256": "fde704ff831fdea1fea6592addfac52e5bbe0c4fa6c831ee93d45256b7829fdb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.6477",
    "kind": "arxiv",
    "version": 2
  }
}